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Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

icdlcenter.com

ICDL Asia - International Computer Driving Licence - ICDL -International Computer Driving License

Page Load Speed

7.9 sec in total

First Response

915 ms

Resources Loaded

6.9 sec

Page Rendered

137 ms

About Website

Visit icdlcenter.com now to see the best up-to-date ICDL Center content and also check out these interesting facts you probably never knew about icdlcenter.com

ICDL Asia manages the leading international computer skills certification across Asia. The ICDL programme defines the skills and competencies necessary to use a computer and common computer applicatio...

Visit icdlcenter.com

Key Findings

We analyzed Icdlcenter.com page load time and found that the first response time was 915 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

icdlcenter.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

icdlcenter.com

915 ms

css

17 ms

slick.css

305 ms

global.min3a3e.css

568 ms

modernizr.js

572 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Icdlcenter.com, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Icdlcenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.4 kB (20%)

Content Size

422.0 kB

After Optimization

335.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Icdlcenter.com main page is 422.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 287.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.0 kB

  • Original 23.1 kB
  • After minification 19.3 kB
  • After compression 5.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 3.8 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.0 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 32.4 kB

  • Original 287.8 kB
  • After minification 255.4 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, ICDL Center needs image optimization as it can save up to 32.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 35.9 kB

  • Original 100.3 kB
  • After minification 100.3 kB
  • After compression 64.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 35.9 kB or 36% of the original size.

CSS Optimization

-1%

Potential reduce by 95 B

  • Original 10.9 kB
  • After minification 10.9 kB
  • After compression 10.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Icdlcenter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

30

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ICDL Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

icdlcenter.com accessibility score

78

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

icdlcenter.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

icdlcenter.com SEO score

75

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Icdlcenter.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Icdlcenter.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of ICDL Center. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: